Kunyumba> mndandanda
Zida za polygraph ndi makina chabe omwe amalemba mayankho athu amthupi ku mafunso. Zina mwa zosinthazi zingaphatikizepo kugunda kwa mtima, momwe manja athu amachitira thukuta, komanso momwe timagwedezeka. Tikanama, lingaliro ndilakuti matupi athu amawayankha m'njira yomwe imatha kumveka chipangizo cha polygraph.
Izi zili choncho chifukwa kuyesa kwa polygraph kumatsimikizira chikhulupiriro chakuti nthawi zambiri timadzipatulira mosadziwa tikanama. Mayankho oterowo amatchedwa "zochitika zakuthupi" ndipo zingaphatikizepo kuchuluka kwa mtima, kuthamanga kwa magazi kapena kusiyana kwa kutuluka kwa thukuta. Wofufuza wa polygraph amagwiritsa ntchito miyeso iyi kuti adziwe ngati munthu akunena zabodza.
Ngakhale ambiri adagwiritsa ntchito chipangizo cha polygraph m'mbuyomu kuti adziwe ngati munthu akunama kapena ayi, kulondola kwake sikokwanira. Ena amatha kuphunzitsa kubisa mayankho awo amthupi, zomwe zingapangitse zotsatira za mayeso a polygraph kukhala osatsimikizika. Ndicho chifukwa chake zotsatira za polygraph sizimaloledwa nthawi zonse ngati umboni kukhoti.
Kumayambiriro kwa zaka za m’ma 1900, John Augustus Larson ankanenedwa kuti anatulukira chipangizo cha polygraph. M'zaka zaposachedwa chowunikira chabodza chasintha ndikusintha - kukhala cholondola. Maphunziro, makina a polygraph amagwiritsidwa ntchito ndi anthu monga apolisi masiku ano kuti adziwe ngati wina akunena zoona kapena ayi.
Pamene mukugonjetsedwa ndi a chipangizo cha polygraph tsiku lina, kumbukirani iziIBC: nsonga yoyamba ikukhudzana ndi kuyesa kumasuka, zomwe zingakuthandizeni kuti minyewa yanu ikhale yolamulira panthawi ya mayeso. Chachiwiri, ndime iliyonse mozama kuti apeze mafashoni amamvetsera ndi kuyankha zinali zoona kwambiri m'njira zomwe sindikanatha kuzifotokozera zina zonse. Pomaliza, Tikudziwa kuti zotsatira za mayeso a polygraph nthawi zonse zimakhala zosalephera choncho ndi bwino kunena zoona.
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